<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登陆界面</title>
    <link rel="stylesheet" type="text/css" href="../css/login.css">
    <script src="../js/login.js" type="text/javascript"></script>
</head>
<body>
    <h1>考试系统</h1>
    <div class="div1">
        <h2>欢迎登陆</h2>
        <form action="#">
            <label for="username">用&nbsp;&nbsp;户&nbsp;&nbsp;名：</label>
            <input type="text" placeholder="请输入用户名" id="username" onblur="checknull()">
            <p id="p1">用户名不能为空</p>
            <label for="password">密&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;码：</label>
            <input type="password" placeholder="请输入密码">
            <p>密码不正确，请重新输入</p>
            <input id="btn" type="submit" value="登陆">
        </form>
    </div>
    <div class="bottom">
        <p><p>Copyright © 2016-2017 湖北第二师范学院 </p></p>
    </div>
</body>
</html>
